Spermatogenesis and spermiogenesis of the Aphanius Dispar (Ruppell 1828)‎ (Pisces : Cyprinodontidae)‎

الملخص EN

Light and transmission electron microscopy were used to study the structure of various stages of germ cells ol the Aphanius dispar (Rappel! 1828) in Oman A dtxpor t«ies were of cystic type Different stages of spermatogonia, spermatocytes and spermatids were observed within the cysts Each cyst is occupied by j group of germ cc Ms almost all in the same stage The morphology and ultrastmcture of the nuclei and cytoplasmic on: anelles of the germ cells are described Some flagellu possessing lateral side fins and some biflagellated spemuto/oa were seen